JPS52150753A - Method of producing attenuating materials - Google Patents

Method of producing attenuating materials

Info

Publication number
JPS52150753A
JPS52150753A JP6771176A JP6771176A JPS52150753A JP S52150753 A JPS52150753 A JP S52150753A JP 6771176 A JP6771176 A JP 6771176A JP 6771176 A JP6771176 A JP 6771176A JP S52150753 A JPS52150753 A JP S52150753A
Authority
JP
Japan
Prior art keywords
producing
attenuating materials
attenuating
materials
producing attenuating
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.)
Granted
Application number
JP6771176A
Other languages
Japanese (ja)
Other versions
JPS5426208B2 (en
Inventor
Toshinori Ozaki
Hideo Nakae
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP6771176A priority Critical patent/JPS52150753A/en
Publication of JPS52150753A publication Critical patent/JPS52150753A/en
Publication of JPS5426208B2 publication Critical patent/JPS5426208B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • ing And Chemical Polishing (AREA)
JP6771176A 1976-06-11 1976-06-11 Method of producing attenuating materials Granted JPS52150753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6771176A JPS52150753A (en) 1976-06-11 1976-06-11 Method of producing attenuating materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6771176A JPS52150753A (en) 1976-06-11 1976-06-11 Method of producing attenuating materials

Publications (2)

Publication Number Publication Date
JPS52150753A true JPS52150753A (en) 1977-12-14
JPS5426208B2 JPS5426208B2 (en) 1979-09-03

Family

ID=13352803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6771176A Granted JPS52150753A (en) 1976-06-11 1976-06-11 Method of producing attenuating materials

Country Status (1)

Country Link
JP (1) JPS52150753A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337553A (en) * 1976-09-20 1978-04-06 Hitachi Ltd Method of producing highhquality attenuating materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337553A (en) * 1976-09-20 1978-04-06 Hitachi Ltd Method of producing highhquality attenuating materials
JPS561394B2 (en) * 1976-09-20 1981-01-13

Also Published As

Publication number Publication date
JPS5426208B2 (en) 1979-09-03

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