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发明名称
CLOSURE VALVES
摘要
申请公布号
ZA8501345(B)
申请公布日期
1986.02.26
申请号
ZA19850001345
申请日期
1985.02.22
申请人
THOMAS WAGG BROWN
发明人
THOMAS WAGG BROWN
分类号
E03D
主分类号
E03D
代理机构
代理人
主权项
地址
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