Patent search ap:("ROCKLINE REALTY CORP") AND inv:"IRWIN COHEN" Page 1

1.

发明授权
Pre-printed corrugated board fabrication and cut-off control method and apparatus 失效
Title translation: 预印瓦楞纸板制造和截止控制方法及装置

公开(公告)号：US3058869A

公开(公告)日：1962-10-16

申请号：US62972356

申请日：1956-12-20

Applicant: ROCKLINE REALTY CORP

Inventor： IRWIN COHEN , TAUB EDWARD A

IPC: B26D5/34 , B31F1/28 , B41F19/00 , D21J1/08

CPC classification number: B41F19/00 , B26D5/34 , B31F1/2822 , D21J1/08 , Y10T83/152 , Y10T156/1052 , Y10T156/1343 , Y10T156/1365

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