Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"CLARK ROBERT J" Page 1

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发明授权
Telephone set stand and integral directory index mechanism 失效
Title translation: 电话机台和整体目录索引机制

公开(公告)号：US3395257A

公开(公告)日：1968-07-30

申请号：US48932265

申请日：1965-09-22

Applicant: BELL TELEPHONE LABOR INC

Inventor： CLARK ROBERT J , PRINCE TERRY B

IPC: H04M1/21

CPC classification number: H04M1/21

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