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发明名称
Apparatus for sealing glass ampoules
摘要
申请公布号
US2633672(A)
申请公布日期
1953.04.07
申请号
US19500155748
申请日期
1950.04.13
申请人
RALSTON JOHN D
发明人
RALSTON JOHN D.
分类号
C03B23/18
主分类号
C03B23/18
代理机构
代理人
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地址
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