JPS6171476U - - Google Patents

Info

Publication number
JPS6171476U
JPS6171476U JP15602584U JP15602584U JPS6171476U JP S6171476 U JPS6171476 U JP S6171476U JP 15602584 U JP15602584 U JP 15602584U JP 15602584 U JP15602584 U JP 15602584U JP S6171476 U JPS6171476 U JP S6171476U
Authority
JP
Japan
Prior art keywords
sheet
secret message
stationery
hiding
mail
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
JP15602584U
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 JP15602584U priority Critical patent/JPS6171476U/ja
Publication of JPS6171476U publication Critical patent/JPS6171476U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
JP15602584U 1984-10-16 1984-10-16 Pending JPS6171476U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15602584U JPS6171476U (cs) 1984-10-16 1984-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15602584U JPS6171476U (cs) 1984-10-16 1984-10-16

Publications (1)

Publication Number Publication Date
JPS6171476U true JPS6171476U (cs) 1986-05-15

Family

ID=30714040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15602584U Pending JPS6171476U (cs) 1984-10-16 1984-10-16

Country Status (1)

Country Link
JP (1) JPS6171476U (cs)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104392U (cs) * 1989-02-07 1990-08-20
JP2006347103A (ja) * 2005-06-20 2006-12-28 Toppan Forms Co Ltd 情報隠蔽シート組

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515006B2 (cs) * 1974-12-30 1980-04-21
JPS5736457U (cs) * 1980-08-07 1982-02-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5515006B2 (cs) * 1974-12-30 1980-04-21
JPS5736457U (cs) * 1980-08-07 1982-02-26

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104392U (cs) * 1989-02-07 1990-08-20
JP2006347103A (ja) * 2005-06-20 2006-12-28 Toppan Forms Co Ltd 情報隠蔽シート組

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