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发明名称
VALVED SACKS OR BAGS
摘要
申请公布号
ZA7901319(B)
申请公布日期
1980.05.28
申请号
ZA19790001319
申请日期
1979.03.20
申请人
DRG LTD
发明人
NICHOLSON D
分类号
B65D;F16K
主分类号
B65D
代理机构
代理人
主权项
地址
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