JPS6442391U - - Google Patents

Info

Publication number
JPS6442391U
JPS6442391U JP13563087U JP13563087U JPS6442391U JP S6442391 U JPS6442391 U JP S6442391U JP 13563087 U JP13563087 U JP 13563087U JP 13563087 U JP13563087 U JP 13563087U JP S6442391 U JPS6442391 U JP S6442391U
Authority
JP
Japan
Prior art keywords
wedge
guide
sectional shape
cross
rock
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
JP13563087U
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 JP13563087U priority Critical patent/JPS6442391U/ja
Publication of JPS6442391U publication Critical patent/JPS6442391U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP13563087U 1987-09-07 1987-09-07 Pending JPS6442391U (US07655746-20100202-C00011.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13563087U JPS6442391U (US07655746-20100202-C00011.png) 1987-09-07 1987-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13563087U JPS6442391U (US07655746-20100202-C00011.png) 1987-09-07 1987-09-07

Publications (1)

Publication Number Publication Date
JPS6442391U true JPS6442391U (US07655746-20100202-C00011.png) 1989-03-14

Family

ID=31395430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13563087U Pending JPS6442391U (US07655746-20100202-C00011.png) 1987-09-07 1987-09-07

Country Status (1)

Country Link
JP (1) JPS6442391U (US07655746-20100202-C00011.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415830A (en) * 1977-06-27 1979-02-06 Kouichi Hatakeyama Roottcrop digger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5415830A (en) * 1977-06-27 1979-02-06 Kouichi Hatakeyama Roottcrop digger

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