貝塚煉瓦@友ヶ島砲台附属施設（工廠？）
〔検出：2015-12-27〕
https://bdb.kyudou.org/?p=780
Yet another brick-seals database in KANSAI Dist.
Yet another brick-seals database in KANSAI Dist.
〔検出：2015-12-27〕
https://bdb.kyudou.org/?p=780