发明名称 |
Stamping machine |
摘要 |
|
申请公布号 |
US1818836(A) |
申请公布日期 |
1931.08.11 |
申请号 |
US19300427869 |
申请日期 |
1930.02.12 |
申请人 |
MAX ARNOLD |
发明人 |
ARNOLD MAX |
分类号 |
B21D28/26 |
主分类号 |
B21D28/26 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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