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发明名称
Self-sealing wall tiles
摘要
申请公布号
US2841004(A)
申请公布日期
1958.07.01
申请号
US19520305657
申请日期
1952.08.21
申请人
MARIO MACCAFERRI
发明人
MACCAFERRI MARIO
分类号
E04F13/08
主分类号
E04F13/08
代理机构
代理人
主权项
地址
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