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发明名称
Screed
摘要
申请公布号
US1954847(A)
申请公布日期
1934.04.17
申请号
US19320638568
申请日期
1932.10.19
申请人
WALTER SCHOLER;KASHNER WILMER C
发明人
SCHOLER WALTER;KASHNER WILMER C.
分类号
E04F19/04
主分类号
E04F19/04
代理机构
代理人
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