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Floor construction
申请公布号:
US1989254(A)
申请号:
US19290331921
申请日期:
1929.01.11
申请公布日期:
1935.01.29
申请人:
THE WHITACRE ENGINEERING COMPANY
发明人:
WHITACRE DONALD D.
分类号:
E04B5/44
主分类号:
E04B5/44
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TOWER BODY
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HEMMING SEWING METHOD BY ZIGZAG SEWING MACHINE
POWDER SPRAY BOOTH
DEPO-BODY FOR NOSE CLIP
HEMOMANOMETER WITH PULSE METER
CLEANER
BRUSH
STAND OF HAND MIXER
DISTANCE REPEATING DEVICE
REVERSE PHASE OVERCURRENT RELAY
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