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经营范围
发明名称
Respiratory appliance
摘要
申请公布号
US2133345(A)
申请公布日期
1938.10.18
申请号
US19370133955
申请日期
1937.03.31
申请人
DAVIS EMERGENCY EQUIPMENT COMPANY, INCORPORATED
发明人
DAVIS FRANK RUTLEDGE
分类号
A47C5/06;A62B18/02
主分类号
A47C5/06
代理机构
代理人
主权项
地址
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