JPS63104492U - - Google Patents

Info

Publication number
JPS63104492U
JPS63104492U JP19741386U JP19741386U JPS63104492U JP S63104492 U JPS63104492 U JP S63104492U JP 19741386 U JP19741386 U JP 19741386U JP 19741386 U JP19741386 U JP 19741386U JP S63104492 U JPS63104492 U JP S63104492U
Authority
JP
Japan
Prior art keywords
casing
rod
flexible joint
crushing device
mud
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
JP19741386U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0355678Y2 (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 JP19741386U priority Critical patent/JPH0355678Y2/ja
Publication of JPS63104492U publication Critical patent/JPS63104492U/ja
Application granted granted Critical
Publication of JPH0355678Y2 publication Critical patent/JPH0355678Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP19741386U 1986-12-24 1986-12-24 Expired JPH0355678Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19741386U JPH0355678Y2 (enrdf_load_stackoverflow) 1986-12-24 1986-12-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19741386U JPH0355678Y2 (enrdf_load_stackoverflow) 1986-12-24 1986-12-24

Publications (2)

Publication Number Publication Date
JPS63104492U true JPS63104492U (enrdf_load_stackoverflow) 1988-07-06
JPH0355678Y2 JPH0355678Y2 (enrdf_load_stackoverflow) 1991-12-11

Family

ID=31157127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19741386U Expired JPH0355678Y2 (enrdf_load_stackoverflow) 1986-12-24 1986-12-24

Country Status (1)

Country Link
JP (1) JPH0355678Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0355678Y2 (enrdf_load_stackoverflow) 1991-12-11

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