Based on the 6.5x51SR Japanese Ariska case (MIS4) necked up to 7mm. Used mainly surplus Kynoch military brass.

Listed by RWS/Utendoerffer in their 1900 catalogue and Stahl in their 1905 catalogue, although the differences in the shoulder were varied between the two versions (Dixon Ref. T2)     

     This cartridge has been somewhat of a mystery. It is listed in the ECRA Database as 07 036 CBC 010   7 x 35,5 R Utendoerffer Unknown CASE LENGTH:  = 35.35mm CASE MOUTH:    = 6.85mm...

This was a SAKO development, developed between 1942 and 1946. A 2011 article by Juha-Pekka Ripatti on the http://yeswehunt.eu website states: " The history of this cartridge goes way back into the year 1942 and to the World War II. For obvious reasons Sako produced at...

Listed in the Roth catalogues between 1888 - 1910 as a target rifle. (Dixon Ref. A58)     

Probably an Utendoerffer development and was listed for botH Tesching (Target) Rifles and pistols. (Dixon Ref. T28)   

                      ...

Cartridge designed by Austrian engineer Franz E. Holler