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经营范围
发明名称
Flexible corrugated diaphragm
摘要
申请公布号
US2111168(A)
申请公布日期
1938.03.15
申请号
US19350009289
申请日期
1935.03.04
申请人
JOHN CHANSOR
发明人
CHANSOR JOHN
分类号
H01H35/34
主分类号
H01H35/34
代理机构
代理人
主权项
地址
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