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经营范围
发明名称
Means for attaching furring strips to cement building blocks
摘要
申请公布号
US1980982(A)
申请公布日期
1934.11.20
申请号
US19310544135
申请日期
1931.06.13
申请人
CRAWFORD JESSE L
发明人
CRAWFORD JESSE L.
分类号
B28B23/00;E04C1/39
主分类号
B28B23/00
代理机构
代理人
主权项
地址
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