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发明名称
Chemical heating pad
摘要
申请公布号
US2132681(A)
申请公布日期
1938.10.11
申请号
US19380216022
申请日期
1938.06.27
申请人
UNITED STATES APPLIANCE CORPORATION
发明人
DAVIS WILLIAM H. H.;MARKEL LEON
分类号
A45D7/06;C09K5/16
主分类号
A45D7/06
代理机构
代理人
主权项
地址
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