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经营范围
发明名称
ENVIRONMENTAL CONTROL OF A BUSHING
摘要
申请公布号
GB1574931(A)
申请公布日期
1980.09.10
申请号
GB19770001432
申请日期
1977.01.14
申请人
PPG INDUSTRIES INC
发明人
分类号
C03B37/02;(IPC1-7):C03B37/07
主分类号
C03B37/02
代理机构
代理人
主权项
地址
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