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发明名称
Plasterboard
摘要
申请公布号
US2256761(A)
申请公布日期
1941.09.23
申请号
US19400362316
申请日期
1940.10.23
申请人
ARMSTRONG CORK COMPANY
发明人
CHAPELLE MERLE P. LA
分类号
D21J1/16;E04B1/61
主分类号
D21J1/16
代理机构
代理人
主权项
地址
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