JPH0533595Y2 - - Google Patents

Info

Publication number
JPH0533595Y2
JPH0533595Y2 JP1988155105U JP15510588U JPH0533595Y2 JP H0533595 Y2 JPH0533595 Y2 JP H0533595Y2 JP 1988155105 U JP1988155105 U JP 1988155105U JP 15510588 U JP15510588 U JP 15510588U JP H0533595 Y2 JPH0533595 Y2 JP H0533595Y2
Authority
JP
Japan
Prior art keywords
mud
mud suction
suction pipe
pipe
tip
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.)
Expired - Lifetime
Application number
JP1988155105U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0278689U (de
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 JP1988155105U priority Critical patent/JPH0533595Y2/ja
Publication of JPH0278689U publication Critical patent/JPH0278689U/ja
Application granted granted Critical
Publication of JPH0533595Y2 publication Critical patent/JPH0533595Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1988155105U 1988-11-29 1988-11-29 Expired - Lifetime JPH0533595Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988155105U JPH0533595Y2 (de) 1988-11-29 1988-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988155105U JPH0533595Y2 (de) 1988-11-29 1988-11-29

Publications (2)

Publication Number Publication Date
JPH0278689U JPH0278689U (de) 1990-06-18
JPH0533595Y2 true JPH0533595Y2 (de) 1993-08-26

Family

ID=31432429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988155105U Expired - Lifetime JPH0533595Y2 (de) 1988-11-29 1988-11-29

Country Status (1)

Country Link
JP (1) JPH0533595Y2 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037444A (de) * 1973-08-03 1975-04-08
JPS547362U (de) * 1977-06-20 1979-01-18

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037444A (de) * 1973-08-03 1975-04-08
JPS547362U (de) * 1977-06-20 1979-01-18

Also Published As

Publication number Publication date
JPH0278689U (de) 1990-06-18

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