发明名称 |
Dispositif d'obturation |
摘要 |
|
申请公布号 |
FR699808(A) |
申请公布日期 |
1931.02.20 |
申请号 |
FRD699808 |
申请日期 |
1930.07.12 |
申请人 |
|
发明人 |
MINCOVSKY ZOUNIA |
分类号 |
F16J13/02 |
主分类号 |
F16J13/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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