JPH0522034B2 - - Google Patents

Info

Publication number
JPH0522034B2
JPH0522034B2 JP61222839A JP22283986A JPH0522034B2 JP H0522034 B2 JPH0522034 B2 JP H0522034B2 JP 61222839 A JP61222839 A JP 61222839A JP 22283986 A JP22283986 A JP 22283986A JP H0522034 B2 JPH0522034 B2 JP H0522034B2
Authority
JP
Japan
Prior art keywords
annular
drill collar
ground
radiating
insulator
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
JP61222839A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6378989A (ja
Inventor
Ichiro Takahashi
So Shirasawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP61222839A priority Critical patent/JPS6378989A/ja
Publication of JPS6378989A publication Critical patent/JPS6378989A/ja
Publication of JPH0522034B2 publication Critical patent/JPH0522034B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Insulating Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP61222839A 1986-09-19 1986-09-19 送信装置の製造方法 Granted JPS6378989A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61222839A JPS6378989A (ja) 1986-09-19 1986-09-19 送信装置の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61222839A JPS6378989A (ja) 1986-09-19 1986-09-19 送信装置の製造方法

Publications (2)

Publication Number Publication Date
JPS6378989A JPS6378989A (ja) 1988-04-09
JPH0522034B2 true JPH0522034B2 (enrdf_load_stackoverflow) 1993-03-26

Family

ID=16788715

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61222839A Granted JPS6378989A (ja) 1986-09-19 1986-09-19 送信装置の製造方法

Country Status (1)

Country Link
JP (1) JPS6378989A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743169Y2 (ja) * 1988-06-22 1995-10-04 株式会社大林組 多軸削孔機

Also Published As

Publication number Publication date
JPS6378989A (ja) 1988-04-09

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