JPS4990756U - - Google Patents

Info

Publication number
JPS4990756U
JPS4990756U JP13681572U JP13681572U JPS4990756U JP S4990756 U JPS4990756 U JP S4990756U JP 13681572 U JP13681572 U JP 13681572U JP 13681572 U JP13681572 U JP 13681572U JP S4990756 U JPS4990756 U JP S4990756U
Authority
JP
Japan
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
JP13681572U
Other languages
Japanese (ja)
Other versions
JPS5334322Y2 (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 JP1972136815U priority Critical patent/JPS5334322Y2/ja
Publication of JPS4990756U publication Critical patent/JPS4990756U/ja
Application granted granted Critical
Publication of JPS5334322Y2 publication Critical patent/JPS5334322Y2/ja
Expired legal-status Critical Current

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  • Earth Drilling (AREA)
JP1972136815U 1972-11-28 1972-11-28 Expired JPS5334322Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1972136815U JPS5334322Y2 (enrdf_load_stackoverflow) 1972-11-28 1972-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972136815U JPS5334322Y2 (enrdf_load_stackoverflow) 1972-11-28 1972-11-28

Publications (2)

Publication Number Publication Date
JPS4990756U true JPS4990756U (enrdf_load_stackoverflow) 1974-08-06
JPS5334322Y2 JPS5334322Y2 (enrdf_load_stackoverflow) 1978-08-23

Family

ID=28407900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972136815U Expired JPS5334322Y2 (enrdf_load_stackoverflow) 1972-11-28 1972-11-28

Country Status (1)

Country Link
JP (1) JPS5334322Y2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151691A (en) * 1961-07-24 1964-10-06 Globe Oil Tools Co Rock bit bearing seal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3151691A (en) * 1961-07-24 1964-10-06 Globe Oil Tools Co Rock bit bearing seal

Also Published As

Publication number Publication date
JPS5334322Y2 (enrdf_load_stackoverflow) 1978-08-23

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