| 配方 |
配方類(lèi)型 |
配方說(shuō)明 |
| 查看配方 | METALS | Pyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660 (U.S.
Patent 2,490,570) |
| 查看配方 | METALS | Germanium Mirror (U.S. Patent 2,941,875) |
| 查看配方 | METALS | Alloy for Ball-Point Pens (German Patent 1,008,006) |
| 查看配方 | METALS | Pyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660 |
| 查看配方 | METALS | Hot-Working of Red Brass (U.S. Patent 2,577,426) |
| 查看配方 | METALS | Pen Nib Alloy (U.S. Patent 2,681,276) |
| 查看配方 | METALS | To Prevent Firestain of Hardened Silver |
| 查看配方 | METALS | Ductile Bismuth Alloy (U.S. Patent 2,610,913) |
| 查看配方 | METALS | Moldable Permanent Magnet (German Patent 1,020,461) |
| 查看配方 | METALS | For Tinning of Copper Wire (U.S. Patent 2,515,022) |
| 查看配方 | METALS | Precision Die-Casting Alloy (Japanese Patent 807)
-1954 |
| 查看配方 | METALS | Dental Amalgam (U.S. Patent 2,698,231) |
| 查看配方 | METALS | Degassing Agent for Aluminum Alloys |
| 查看配方 | METALS | Solder for Sintered Tungsten Carbide or Cast Iron (Japanese Patent
5611) (1954) |
| 查看配方 | METALS | Recovery of Zinc from Dross (U.S. Patent 2,701,194) |
| 查看配方 | METALS | Aluminum Solder and Filler |
| 查看配方 | METALS | Noncorrosive Soldering Flux (U.S. Patent 2,674,554) |
| 查看配方 | METALS | Imitation Gold Alloy (U.S. Patent 2,935,400) |
| 查看配方 | METALS | Flux-Containing Wire Solder (U.S. Patent 2,713,315) |
| 查看配方 | METALS | Antifriction Zinc Alloy |
