JPS63145990U - - Google Patents

Info

Publication number
JPS63145990U
JPS63145990U JP3437387U JP3437387U JPS63145990U JP S63145990 U JPS63145990 U JP S63145990U JP 3437387 U JP3437387 U JP 3437387U JP 3437387 U JP3437387 U JP 3437387U JP S63145990 U JPS63145990 U JP S63145990U
Authority
JP
Japan
Prior art keywords
casing
piston rod
striking
piston
wall
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
JP3437387U
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 JP3437387U priority Critical patent/JPS63145990U/ja
Publication of JPS63145990U publication Critical patent/JPS63145990U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
JP3437387U 1987-03-11 1987-03-11 Pending JPS63145990U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3437387U JPS63145990U (enrdf_load_stackoverflow) 1987-03-11 1987-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3437387U JPS63145990U (enrdf_load_stackoverflow) 1987-03-11 1987-03-11

Publications (1)

Publication Number Publication Date
JPS63145990U true JPS63145990U (enrdf_load_stackoverflow) 1988-09-27

Family

ID=30842859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3437387U Pending JPS63145990U (enrdf_load_stackoverflow) 1987-03-11 1987-03-11

Country Status (1)

Country Link
JP (1) JPS63145990U (enrdf_load_stackoverflow)

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