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经营范围
发明名称
Laminated board
摘要
申请公布号
US1951983(A)
申请公布日期
1934.03.20
申请号
US19310582939
申请日期
1931.12.24
申请人
WILLIAM PLATTS KELLETT, JR.
发明人
KELLETT WILLIAM PLATTS
分类号
E04C2/26
主分类号
E04C2/26
代理机构
代理人
主权项
地址
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