日韩桃色精品,AV日韩网,国产女人精品免费网站,射久久久久久久,超碰97在线直播,思思热999re,久久大香蕉在线视频,国产视频九色在线,在线极品国产精品专区

化學配方數據庫
配方 配方類型 配方說明
查看配方METALSPyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660 (U.S.
Patent 2,490,570)
查看配方METALSGermanium Mirror (U.S. Patent 2,941,875)
查看配方METALSAlloy for Ball-Point Pens (German Patent 1,008,006)
查看配方METALSPyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660
查看配方METALSHot-Working of Red Brass (U.S. Patent 2,577,426)
查看配方METALSPen Nib Alloy (U.S. Patent 2,681,276)
查看配方METALSTo Prevent Firestain of Hardened Silver
查看配方METALSDuctile Bismuth Alloy (U.S. Patent 2,610,913)
查看配方METALSMoldable Permanent Magnet (German Patent 1,020,461)
查看配方METALSFor Tinning of Copper Wire (U.S. Patent 2,515,022)
查看配方METALSPrecision Die-Casting Alloy (Japanese Patent 807)
-1954
查看配方METALSDental Amalgam (U.S. Patent 2,698,231)
查看配方METALSDegassing Agent for Aluminum Alloys
查看配方METALSSolder for Sintered Tungsten Carbide or Cast Iron (Japanese Patent
5611) (1954)
查看配方METALSRecovery of Zinc from Dross (U.S. Patent 2,701,194)
查看配方METALSAluminum Solder and Filler
查看配方METALSNoncorrosive Soldering Flux (U.S. Patent 2,674,554)
查看配方METALSImitation Gold Alloy (U.S. Patent 2,935,400)
查看配方METALSFlux-Containing Wire Solder (U.S. Patent 2,713,315)
查看配方METALSAntifriction Zinc Alloy
共有148條記錄,8頁,顯示 81-100  <<上一頁 1  2  3  4  5  6  7  8  下一頁>>
QQ: 2241752642
微信二維碼
電話: 19906633110
沐川县| 塔城市| 嵊泗县| 保亭| 扶沟县| 吉木萨尔县| 黎城县| 随州市| 泰宁县| 满洲里市| 遂昌县| 绩溪县| 屯留县| 高邮市| 云林县| 永川市| 辽阳市| 晋城| 石棉县| 锡林浩特市| 得荣县| 长治县| 祁连县| 盘锦市| 儋州市| 汤原县| 封开县| 嵊州市| 上思县| 临猗县| 罗山县| 镇安县| 沁阳市| 雅安市| 织金县| 卓资县| 临泉县| 怀远县| 当阳市| 宁乡县| 胶州市|