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发明名称
Dispositif pour l'étirage de corps creux en forme de tube ou de manchon en matièreplastique, plus spécialement en verre
摘要
申请公布号
FR711448(A)
申请公布日期
1931.09.09
申请号
FRD711448
申请日期
1930.05.21
申请人
LE PYREX
发明人
分类号
C03B17/04
主分类号
C03B17/04
代理机构
代理人
主权项
地址
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