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发明名称
Waterproofing preparation
摘要
申请公布号
US3223542(A)
申请公布日期
1965.12.14
申请号
US19650446121
申请日期
1965.04.06
申请人
HAMMER SR NEVILLE A
发明人
SR. NEVILLE A. HAMMER,
分类号
C04B28/10
主分类号
C04B28/10
代理机构
代理人
主权项
地址
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