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发明名称
Respirator system
摘要
申请公布号
US2770232(A)
申请公布日期
1956.11.13
申请号
US19540432532
申请日期
1954.05.26
申请人
SMITH WELDING EQUIPMENT CORPORATION
发明人
FALK TAGE
分类号
A61M16/00
主分类号
A61M16/00
代理机构
代理人
主权项
地址
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