Japanese Translation: Type 91 Director 8 cm Naval Binoculars Imperial Japanese Cruiser Destroyer

I have these Type 91 Director 8 cm Naval Binoculars Imperial Japanese Cruiser Destroyer for sale on ebay http://www.ebay.com.au/itm/141024309622

See picture, the translation from lid of box has the following

八糎双眼望遠鏡- 8cm Binoculars

航海員主管- Managed by Navigator Crews

格納筐- Storage Case

㐧204号- No. 204

Can't make out the right characters.

昭和十九年？月 - Shouwa 19 (1944) ? month

豊廠光學部製造 - Manufactured by Toyokawa Optics

Japanese Translation