Main > METALS. > Copper

Product Alloy. Spectacle Frame. DE. B.

PATENT ASSIGNEE'S COUNTRY Germany
UPDATE 06.99
USES Mfg Spectacle Frame for Glass, Jewelry etc
PATENT ASSIGNEE This data is not available for free
PATENT CLAIMS - Zn (13 - 16 %)
- Mn (9 - 11 %)
- Fe (1 - 2 %)
- Al (4 - 5.5 %)
- Cu (Balance)
PATENT PHOTOCOPY Available on request

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