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发明名称
Prefabricated surfaces
摘要
申请公布号
US2897620(A)
申请公布日期
1959.08.04
申请号
US19550536552
申请日期
1955.09.26
申请人
GENERAL ELECTRIC COMPANY
发明人
FITZGERALD ALBERT J.
分类号
E04B2/72
主分类号
E04B2/72
代理机构
代理人
主权项
地址
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