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经营范围
发明名称
METHOD OF MAKING DECORATED WALLBOARD
摘要
申请公布号
US3507684(A)
申请公布日期
1970.04.21
申请号
USD3507684
申请日期
1968.02.20
申请人
UNITED STATES GYPSUM CO.
发明人
ALPHONSE R. WALLEN
分类号
B28B1/50;C04B28/14;E04C2/04;(IPC1-7):B44D1/02
主分类号
B28B1/50
代理机构
代理人
主权项
地址
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