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经营范围
发明名称
PULP SCREEN
摘要
申请公布号
CA889975(A)
申请公布日期
1972.01.04
申请号
CAD889975
申请日期
申请人
WILFRED F. MATHEWSON
发明人
WILFRED F. MATHEWSON
分类号
主分类号
代理机构
代理人
主权项
地址
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