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发明名称
Adjustable cap
摘要
申请公布号
US2458275(A)
申请公布日期
1949.01.04
申请号
US19460714381
申请日期
1946.12.06
申请人
POLAROID CORPORATION
发明人
KRIEBEL RICHARD T.
分类号
A42B1/22
主分类号
A42B1/22
代理机构
代理人
主权项
地址
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