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发明名称
Underwater breathing regulators
摘要
申请公布号
US2787280(A)
申请公布日期
1957.04.02
申请号
US19540438070
申请日期
1954.06.21
申请人
ARPIN JOHN W
发明人
ARPIN JOHN W.
分类号
A62B9/02;B63C11/22
主分类号
A62B9/02
代理机构
代理人
主权项
地址
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