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发明名称
Insulation
摘要
申请公布号
US2335968(A)
申请公布日期
1943.12.07
申请号
US19410398311
申请日期
1941.06.16
申请人
PAPER PATENTS COMPANY
发明人
SAWTELL RICHARD B.
分类号
E04B1/76
主分类号
E04B1/76
代理机构
代理人
主权项
地址
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