JPS63190394U - - Google Patents

Info

Publication number
JPS63190394U
JPS63190394U JP8116387U JP8116387U JPS63190394U JP S63190394 U JPS63190394 U JP S63190394U JP 8116387 U JP8116387 U JP 8116387U JP 8116387 U JP8116387 U JP 8116387U JP S63190394 U JPS63190394 U JP S63190394U
Authority
JP
Japan
Prior art keywords
piston
rod
case
inner case
tapered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8116387U
Other languages
English (en)
Japanese (ja)
Other versions
JPH052707Y2 (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8116387U priority Critical patent/JPH052707Y2/ja
Publication of JPS63190394U publication Critical patent/JPS63190394U/ja
Application granted granted Critical
Publication of JPH052707Y2 publication Critical patent/JPH052707Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Earth Drilling (AREA)
JP8116387U 1987-05-29 1987-05-29 Expired - Lifetime JPH052707Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8116387U JPH052707Y2 (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8116387U JPH052707Y2 (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Publications (2)

Publication Number Publication Date
JPS63190394U true JPS63190394U (enrdf_load_stackoverflow) 1988-12-07
JPH052707Y2 JPH052707Y2 (enrdf_load_stackoverflow) 1993-01-22

Family

ID=30932653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8116387U Expired - Lifetime JPH052707Y2 (enrdf_load_stackoverflow) 1987-05-29 1987-05-29

Country Status (1)

Country Link
JP (1) JPH052707Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH052707Y2 (enrdf_load_stackoverflow) 1993-01-22

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