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公开(公告)号:US2245324A
公开(公告)日:1941-06-10
申请号:US22673338
申请日:1938-08-25
Applicant: SPALDING A G & BROS INC
Inventor: BROWN WILLIAM T
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公开(公告)号:US2579294A
公开(公告)日:1951-12-18
申请号:US61082545
申请日:1945-08-14
Applicant: SPALDING A G & BROS INC
Inventor: BROWN WILLIAM T
CPC classification number: A63B41/08 , A63B41/085 , Y10T156/1075 , Y10T156/1092
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公开(公告)号:US2481075A
公开(公告)日:1949-09-06
申请号:US64045346
申请日:1946-01-11
Applicant: SPALDING A G & BROS INC
Inventor: BROWN WILLIAM T
IPC: A63B49/02
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公开(公告)号:US2259060A
公开(公告)日:1941-10-14
申请号:US32474840
申请日:1940-03-19
Applicant: SPALDING A G & BROS INC
Inventor: BROWN WILLIAM T
IPC: A63B37/00
CPC classification number: A63B37/0003 , A63B37/0022 , A63B37/0024 , A63B37/0025 , A63B37/0056 , A63B37/0074 , A63B37/0075 , A63B37/0076
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公开(公告)号:US2494796A
公开(公告)日:1950-01-17
申请号:US67985046
申请日:1946-06-27
Applicant: SPALDING A G & BROS INC
Inventor: BROWN WILLIAM T
CPC classification number: A63B41/08
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