JPS6315318B2 - - Google Patents

Info

Publication number
JPS6315318B2
JPS6315318B2 JP15063379A JP15063379A JPS6315318B2 JP S6315318 B2 JPS6315318 B2 JP S6315318B2 JP 15063379 A JP15063379 A JP 15063379A JP 15063379 A JP15063379 A JP 15063379A JP S6315318 B2 JPS6315318 B2 JP S6315318B2
Authority
JP
Japan
Prior art keywords
efficiency
hydraulic
pressure
acid
present
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
Application number
JP15063379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5674193A (en
Inventor
Yanosuke Sato
Tahei Okada
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.)
Hitachi Construction Machinery Co Ltd
Idemitsu Kosan Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Idemitsu Kosan Co Ltd
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 Hitachi Construction Machinery Co Ltd, Idemitsu Kosan Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP15063379A priority Critical patent/JPS5674193A/ja
Publication of JPS5674193A publication Critical patent/JPS5674193A/ja
Publication of JPS6315318B2 publication Critical patent/JPS6315318B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lubricants (AREA)
JP15063379A 1979-11-22 1979-11-22 Hydraulic oil composition Granted JPS5674193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15063379A JPS5674193A (en) 1979-11-22 1979-11-22 Hydraulic oil composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15063379A JPS5674193A (en) 1979-11-22 1979-11-22 Hydraulic oil composition

Publications (2)

Publication Number Publication Date
JPS5674193A JPS5674193A (en) 1981-06-19
JPS6315318B2 true JPS6315318B2 (th) 1988-04-04

Family

ID=15501112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15063379A Granted JPS5674193A (en) 1979-11-22 1979-11-22 Hydraulic oil composition

Country Status (1)

Country Link
JP (1) JPS5674193A (th)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2847318B2 (ja) * 1990-05-17 1999-01-20 日本石油株式会社 非水系潤滑油用添加剤及び非水系潤滑油組成物
JP4354030B2 (ja) * 1998-10-12 2009-10-28 出光興産株式会社 自動車用緩衝器油組成物
JP6134212B2 (ja) * 2013-06-24 2017-05-24 Ｊｘｔｇエネルギー株式会社 油圧作動油組成物

Also Published As

Publication number Publication date
JPS5674193A (en) 1981-06-19

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