-
公开(公告)号:US2613036A
公开(公告)日:1952-10-07
申请号:US72150747
申请日:1947-01-11
Applicant: VIBRO DYNAMIC ENGINEERING INC
Inventor: ROBINSON RICHARD S
IPC: B02C17/14
CPC classification number: B02C17/14
公开(公告)号:US2613036A
公开(公告)日:1952-10-07
申请号:US72150747
申请日:1947-01-11
Applicant: VIBRO DYNAMIC ENGINEERING INC
Inventor: ROBINSON RICHARD S
IPC: B02C17/14
CPC classification number: B02C17/14