Patent search ap:("ALUMINUM CO OF AMERICA") AND inv:"TASSARO ALFRED F" Page 1

1.

发明授权
Metal slugs and a method of producing the same 失效
Title translation: 金属丝及其制造方法

公开(公告)号：US3507140A

公开(公告)日：1970-04-21

申请号：US3507140D

申请日：1967-05-24

Applicant: ALUMINUM CO OF AMERICA

Inventor： TASSARO ALFRED F

IPC: B21C23/01 , B21D31/02 , B21C37/02 , B21D28/00 , B21D31/00

CPC classification number: B21C23/01

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