Letter envelope for the simple accommodation of the accompanying papers, such as feed certificates, payment, etc.

• 1. 用于具有透明窗口的身份证明文件的具有高不透明度和低透明度的塑料膜 [P] . 中国专利： CN113242795A . 2021-08-10
• 2. 用于读出证明文件的方法 [P] . 中国专利： CN106575372B . 2020.04.14
• 3. Letter envelope for the separate accommodation of the accompanying papers, such as, for example, feed certificates, payment, etc. [P] . 德国专利： DE1618912U . 1951-01-18

  机译： 用于单独放置随附文件的信笺信封，例如饲料证明，付款等。

• 4. Device for the safe accommodation of postal items of any desired type fair accompanying papers, such as, for example, feed certificates, payment, etc. [P] . 德国专利： DE1618908U . 1951-01-18

  机译： 用于安全容纳任何所需类型的公平附带邮件的邮件的设备，例如饲料证明，付款等。

• 5. Letter envelope for securely accommodating of feed certificates, payment, etc. [P] . 德国专利： DE1618907U . 1951-01-18

  机译： 用于安全存放饲料证书，付款等的信件信封

• 1. Points from Letters: Simple Certificates [O] . P. S. D. Gowers 1948
• 2. Coast of the Hawaiian Islands, harbors for light-draft vessels : letter from the Secretary of the Army transmitting a letter from the Chief of Engineers, Department of the Army, dated April 11, 1968, submitting a report, together with accompanying papers and illustrations, on coasts of the Hawaiian Islands, harbors for light-draft vessels, in final response to authorizations contained in the River and Harbor Act approved May 17, 1950 : it is also responsive to an item in the River and Harbor Act approved March 2, 1945 [O] . United States. Army. Corps of Engineers 1968