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经营范围
发明名称
Improvements in gas cylinders
摘要
A gas cylinder 2 comprises a main hollow body portion and a neck portion 6 formed with an external thread 4 for receiving a plastics collar 8. <IMAGE>
申请公布号
GB9703707(D0)
申请公布日期
1997.04.09
申请号
GB19970003707
申请日期
1997.02.22
申请人
BOC GROUP, THE PLC
发明人
分类号
F17C13/00;F17C13/08
主分类号
F17C13/00
代理机构
代理人
主权项
地址
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