发明名称 |
OBSTETRICAL APPLIANCE |
摘要 |
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申请公布号 |
CA356559(A) |
申请公布日期 |
1936.03.17 |
申请号 |
CAD356559 |
申请日期 |
|
申请人 |
JOHN J. FREYMANN |
发明人 |
JOHN J. FREYMANN |
分类号 |
|
主分类号 |
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代理机构 |
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代理人 |
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主权项 |
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地址 |
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