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经营范围
发明名称
COATED REFRACTORY SHAPES
摘要
申请公布号
US3453139(A)
申请公布日期
1969.07.01
申请号
USD3453139
申请日期
1966.03.18
申请人
DRESSER IND. INC.
发明人
ERNEST P. WEAVER
分类号
C04B35/01;C04B35/66;C04B41/48;C04B41/83;(IPC1-7):B05C3/02;C03C25/02
主分类号
C04B35/01
代理机构
代理人
主权项
地址
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