发明名称 |
Masking device |
摘要 |
|
申请公布号 |
US3393597(A) |
申请公布日期 |
1968.07.23 |
申请号 |
US19660564412 |
申请日期 |
1966.07.11 |
申请人 |
HELPS CO. |
发明人 |
HOAGLUND PAUL A. |
分类号 |
C25D11/02 |
主分类号 |
C25D11/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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