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发明名称
IMPROVEMENTS IN DEVICES FOR VENTING GASEOUS AND/OR VAPOROUS MEDIA
摘要
申请公布号
GB1241170(A)
申请公布日期
1971.07.28
申请号
GB19670051758
申请日期
1967.10.19
申请人
WILLIAM STEPHEN MARTIN
发明人
WILLIAM STEPHEN MARTIN
分类号
B63J2/10;B65D90/34
主分类号
B63J2/10
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代理人
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