JPS5610493A - Protective document which cannot be duplicated - Google Patents

Protective document which cannot be duplicated

Info

Publication number
JPS5610493A
JPS5610493A JP8585179A JP8585179A JPS5610493A JP S5610493 A JPS5610493 A JP S5610493A JP 8585179 A JP8585179 A JP 8585179A JP 8585179 A JP8585179 A JP 8585179A JP S5610493 A JPS5610493 A JP S5610493A
Authority
JP
Japan
Prior art keywords
duplicated
protective document
protective
document
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
JP8585179A
Other languages
Japanese (ja)
Inventor
Youhei Ikezu
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8585179A priority Critical patent/JPS5610493A/en
Publication of JPS5610493A publication Critical patent/JPS5610493A/en
Pending legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Paper (AREA)
JP8585179A 1979-07-09 1979-07-09 Protective document which cannot be duplicated Pending JPS5610493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8585179A JPS5610493A (en) 1979-07-09 1979-07-09 Protective document which cannot be duplicated

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8585179A JPS5610493A (en) 1979-07-09 1979-07-09 Protective document which cannot be duplicated

Publications (1)

Publication Number Publication Date
JPS5610493A true JPS5610493A (en) 1981-02-02

Family

ID=13870366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8585179A Pending JPS5610493A (en) 1979-07-09 1979-07-09 Protective document which cannot be duplicated

Country Status (1)

Country Link
JP (1) JPS5610493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013598A (en) * 1983-07-02 1985-01-24 尾池工業株式会社 Forgery-preventive print

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013598A (en) * 1983-07-02 1985-01-24 尾池工業株式会社 Forgery-preventive print

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