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发明名称
Adjustable headpiece
摘要
申请公布号
US2685090(A)
申请公布日期
1954.08.03
申请号
US19530362205
申请日期
1953.06.17
申请人
WAGENFELD GILBERT B
发明人
WAGENFELD GILBERT B.
分类号
A42B1/04
主分类号
A42B1/04
代理机构
代理人
主权项
地址
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