JPH01105690U - - Google Patents

Info

Publication number
JPH01105690U
JPH01105690U JP20083887U JP20083887U JPH01105690U JP H01105690 U JPH01105690 U JP H01105690U JP 20083887 U JP20083887 U JP 20083887U JP 20083887 U JP20083887 U JP 20083887U JP H01105690 U JPH01105690 U JP H01105690U
Authority
JP
Japan
Prior art keywords
pin
bar
keel bar
pipe
joint part
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.)
Pending
Application number
JP20083887U
Other languages
English (en)
Japanese (ja)
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 JP20083887U priority Critical patent/JPH01105690U/ja
Publication of JPH01105690U publication Critical patent/JPH01105690U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP20083887U 1987-12-30 1987-12-30 Pending JPH01105690U (US20020128544A1-20020912-P00008.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20083887U JPH01105690U (US20020128544A1-20020912-P00008.png) 1987-12-30 1987-12-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20083887U JPH01105690U (US20020128544A1-20020912-P00008.png) 1987-12-30 1987-12-30

Publications (1)

Publication Number Publication Date
JPH01105690U true JPH01105690U (US20020128544A1-20020912-P00008.png) 1989-07-17

Family

ID=31491227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20083887U Pending JPH01105690U (US20020128544A1-20020912-P00008.png) 1987-12-30 1987-12-30

Country Status (1)

Country Link
JP (1) JPH01105690U (US20020128544A1-20020912-P00008.png)

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