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发明名称
Method of making eyeglass parts
摘要
申请公布号
US1825427(A)
申请公布日期
1931.09.29
申请号
US19270235724
申请日期
1927.11.25
申请人
BAY STATE OPTICAL COMPANY
发明人
SIDDALL WILBUR H.
分类号
G02C5/00;G02C5/18
主分类号
G02C5/00
代理机构
代理人
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